MC68HC711E20CFN2 Freescale Semiconductor, MC68HC711E20CFN2 Datasheet - Page 143

• Manufacturer Part Number: MC68HC711E20CFN2
• Description: IC MCU 20K 2MHZ OTP 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC711E20CFN2

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 38
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: OTP
• Eeprom Size: 512 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

M68HC11E Family — Rev. 3.2
MOTOROLA
Simple
Full-input
Full-
strobed
mode
hand-
shake
mode
output
hand-
shake
mode
Read
Read
Read
PIOC with
STAF = 1
then read
PORTCL
PIOC with
STAF = 1
then read
PORTCL
PIOC with
STAF = 1
then write
PORTCL
Sequence
Clearing
STAF
HNDS OIN
0
1
1
X
0
1
Table 6-2. Parallel I/O Control
0 = STRB
1 = STRB
0 = STRB
1 = STRB
Parallel Input/Output (I/O) Ports
active level
active pulse
active level
active pulse
PLS
X
Follow
DDRC
0
1
1
0
0
1
Active Edge
EGA
Port C
Driven
STRA
Follow
DDRC
Inputs latched
Inputs latched
Driven as outputs
into PORTCL on
any active edge
on STRA
into PORTCL on
any active edge
on STRA
if STRA at active
level; follows
DDRC
if STRA not at
active level
Parallel Input/Output (I/O) Ports
Port B
Parallel I/O Control Register
STRB pulses
Normal output
Normal output
Technical Data
on writes
to PORTB
port,
unaffected in
handshake
modes
port,
unaffected in
handshake
modes
Port C
143